System maintenance notice on September, 2022

System maintenance on our service is scheduled as follows. During the maintenance period, our service will not be available. We apologize for any inconvenience caused.

Maintenance period:
from 10:00 a.m. to 6:00 p.m. on Sunday September 25, 2022, JST

Future maintenance plan 

Sunday October 23, 2022

Sunday November 20, 2022